Home / 90,675.67-125,135.46-50,391.13

Finding the Fourth Proportional to 90,675.67, 125,135.46 and 50,391.13

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Solution

The fourth proportional to 90,675.67, 125,135.46 and 50,391.13 is: 69,541.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,675.67 : 125,135.46 = 50,391.13 : x
  2. Step 2: Convert to fraction form
    90,675.67/125,135.46 = 50,391.13/x
  3. Step 3: Cross multiply
    90,675.67x = 125,135.46 × 50,391.13
  4. Step 4: Simplify right side
    90,675.67x = 6,305,716,667.68
  5. Step 5: Solve for x
    x = 6,305,716,667.68/90,675.67
  6. Step 6: Final answer
    x = 69,541.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.